Gunda Fredrikke Kjelstrup, daughter of Carl Kjelstrup and Laura Bull, was born on October 25, 1882 in Kristiania. She married Dagfin Rolf Neumann, son of Aksel Tostrup Neumann and Stephanie Severine Caroline Louise Knag, on August 6, 1905 in New York. He was born on August 14, 1878 in Kristiania.